Reinforced paper



J. A. GHEENLEE.

REINFORCED PAPER.

APPLICATION FILED AUG-14. 1919.

Patented Jan. 11, 1921.

Irv/671157 fimes Greenlcc UNITED STATES PATENT OFFICE.

JAMES A. GREENLEE, OF CHICAGO,ILLINOIS.

REINFORCED PAPER.

To all whom it may concern:

Be it known that 1, JAMES A. GREENLEE, a citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois, haveinvented new and useful Improvements in Reinforced Paper, of whichthefollowing is a full, clear, and eX- act description.

My invention relates to a reinforced paper, and more particularly to thereinforcing of sheets of genuine vegetable parchment with cloth of anysuitable or desirable weave or mesh for the purpose of utilizing thesame in the wrapping of divers commodities. This invention is especiallyapplicable for the wrapping of meats forthe purpose of transportation,and is advantageous for this purpose because of the fact that thevegetable parchment is inert to and unaffected by the moisture or greasefrom the meat, or other commodity, while the cloth upon the exterior hasthe advantage of forming a suitable bag or receptacle which prevents thepaper from breaking or being damaged.

In reinforcing paper heretofore, it has been the practice to useadhesive or cement (which is neither insoluble nor inert in the presenceof moisture) to join the paper to the fabric or lining, but this isobjectionable in use with edible commodities because of the use of theglue, both because of its injurious or deleterious effect upon thecommodity, and because of the fact that the paper becoming moist willsoon dissolve the adhesive and cause the fabric lining to let go.

The tissue of paper and the fabric of cloth, because of their differentstructural characteristics, are capable of stretching to differentxtents under different conditions, moisture and temperature, and it has,therefore, become necessary, in attaining the objects herein referredto, to unite the layers of tissue and fabric with a means that will notonly reinforce the respective layers, but will also prevent theirunequal stretching.

It is an object of my invention to provide a wrapper, the reinforcingelement whereof is secured to the paper in such manner that the twoelements are united and both are reinforced against unequal stretching,especially along the line of the securing means. I prefer to accomplishthe foregoing and other objects by the means hereinafter described, andas more particularly Specification of Iietters Patent. Patented J an.11, 1921 Application filed August 14, 1919. Serial No. 317,393. i

views, and by reference to Fig. 1, it will ibe observed that I employ aflat sheet of paper 5, preferably, of the type knownto the trade asgenuine vegetable parchment. This vegetable parchment is made of cottonfiber that is unaffected by many acids, and has the property of beinginsoluble in water, in fact it can be boiled for many hours and thenflattened out again without destroying its integrity. Placed against oneof the sur-' faces of this layer of vegetable parchment is a layer offabric 6, preferably a cotton cheese-cloth, or other fabric of similarweave and mesh. These two layers, the first layer of tissue and thesecond layer of fabric are joined together by means of suitablestitching 7. The stitching may be done in any manner on any suitablemachine, and in any convenient design. I prefer, however, and haveascertained by experimentation, that parallel rows of stitches, eitherlongitudinal, transverse, or both, may be employed to advantage, as suchrow of stitching is continuous and not only joins the layers togetherbut effectively and dependably reinforces the entire structure along thelines of the stitches and prevents the unequal stretching of therespective layers, which would probably result in the rupture of eitherthe fabric or the tissue (probably the tissue first) and thus cause abreak in the integrityof the assembled structure.

In the use of this reinforced paper the parchment side is, preferably,placed next the commodity and the latter is wrapped and may be sewedinto a bundle, or it may be found desirable to employ long strips of thereinforcing paper and wind the same, similar to bandages or spiralleggings, upon the commodity, in which event the commodity will be inbetter shape for handling than where a package of the ordinaryconstruction is made.

I have found that paper reinforced as above described, even afterboiling for sev eral hours, and while still wet, has suflicient strengthalong the lines of reinforcing stitching so that it may be easilyhandled and applied or removed in ordinary commercial operations,without relatively displacing or rupturing either the tissue or thefabric layers.

While I have shown and described certain specific means for carrying outmy invention, it is to be understood that I do not necessarily restrictmyself to the precise structure shown, and divers refinements andchanges may be made without departing from the spirit of my invention,all of which is contemplated within the scope of the appended claims.

What I claim as new is 1. An article of manufacture comprising a layerof tissue, a layer of fabric, and transverse lines of stitching throughthe aforesaid elements whereby said layers are united and reinforcedalong said lines of stitching and secured against unequal stretching ofthe respective layers.

2. An article of manufacture comprising a layer of tissue, a layer offabric, and stitching through the aforesaid elements whereby said layersare united and reinforced along said stitching and secured againstunequal stretching.

An article of manufacture comprising a layer of tissue, a layer offabric, and continuous rows of spaced means securing said layerstogether whereby said elements are united and reinforced along saidsecuring means and prevented from unequal stretch- 111g.

at. [in article of manufacture comprising a layer of tissue, a layer offabric, and means securing said layers together comprising stitchingarranged in parallel rows.

5. An article of manufacture comprising a layer of tissue, a layer offabric, and means securing said layers together comprising stitchingarranged in parallel, longitudinal and transverse rows intersecting eachother at substantially right angles.

Signed at Chicago, county of Cook and State of Illinois, this 4th day ofAugust 1919.

JAMES A. GREENLEE.

